1. Department of Exercise Science; Arnold School of Public Health, University of South Carolina, Columbia; South Carolina USA
2. Department of Nutrition and Food Sciences; University of Vermont, Burlington; Vermont USA
3. Department of Preventive Medicine; University of Tennessee Health Science Center, Memphis; Tennessee USA
4. College of Public Health; University of Arkansas for Medical Sciences, Little Rock; Arkansas USA
5. Department of Medical Biostatistics; University of Vermont, Burlington; Vermont USA